Medium severity · published Oct 20, 2026
CVE-2026-96402
USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count
5.2
CVSS
0.2%
EPSS
No
On KEV
Description
A malicious USB MTP/PTP device can cause the USBX host to read past a heap buffer during ordinary object enumeration, leaking adjacent heap contents to the application or faulting on an unmapped page.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ET
Eclipse ThreadX - USBX · Eclipse Foundation
through 6.5.1.202602 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96402
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96402
github.com
https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6
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